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82 lines
2.6 KiB
Markdown
82 lines
2.6 KiB
Markdown
# Benchmark for VictoriaLogs
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Benchmark is based on:
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- Logs from this repository - https://github.com/logpai/loghub
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- filebeat - https://www.elastic.co/beats/filebeat
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- elastic + kibana
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- [logs generator](./generator)
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## How it works
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docker-compose.yml contains:
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- 2 filebeat instances - one for elastic and one for VictoriaLogs.
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- elastic instance
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- VictoriaLogs instance
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- kibana instance - port forwarded to `localhost:5601` to see UI
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- vmsingle - port forwarded to `localhost:8428` to see UI
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- [logs generator](./generator)
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- exporters for filebeat/system
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[Logs generator](./generator) generates logs based on logs located at `./source_logs/logs` and sends them to filebeat
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instances via syslog.
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Logs are generated by reading files line by line, adding randomized suffix to each line and sending them to filebeat via
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syslog.
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By default, generator will exit once all files are read. `docker-compose` will restart it and files will be read again
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generating new logs.
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Each filebeat than writes logs to elastic and VictoriaLogs via elasticsearch-compatible API.
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## How to run
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1. Download and unarchive logs by running:
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```shell
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cd source_logs
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bash download.sh
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```
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Note that with logs listed in `download.sh` it will require 49GB of free space:
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- 3GB for archives
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- 46GB for unarchived logs
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If it is needed to minimize disk footprint, you can download only some of them by commenting out lines in `download.sh`.
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Unarchived logs size per file for reference:
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```shell
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2.3M Linux.log
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73M SSH.log
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32G Thunderbird.log
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5.1M Apache.log
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13G hadoop-*.log
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```
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2. (optional) If needed, adjust amount of logs sent by generator by modifying `-outputRateLimitItems` and
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`outputRateLimitPeriod` parameters in [docker-compose.yml](./docker-compose.yml). By default, it is configured to
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send 10000 logs per second.
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3. Build victoria-logs image and adjust `image` parameter in [docker-compose.yml](./docker-compose.yml):
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```shell
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make package-victoria-logs
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```
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Image name should be replaced at `vlogs` service in [docker-compose.yml](./docker-compose.yml).
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It is also possible to configure filebeat to send logs to VictoriaLogs running on local machine.
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To do this modify [filebeat config for vlogs](./elk/filebeat/filebeat-vlogs.yml) and replace `vlogs` address
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with address of local VictoriaLogs instance:
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```yaml
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output.elasticsearch:
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hosts: [ "http://vlogs:9428/insert/elasticsearch/" ]
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```
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4. Run `docker-compose up -d` to start benchmark.
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5. Navigate to `http://localhost:3000/d/hkm6P6_4z/elastic-vs-vlogs` to see Grafana dashboard with resource usage comparison.
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